Highest temperature in Paris on July 13?

Platform comparison

Market context

Paris will face its peak July heat on 13 July 2026, with the market betting on whether the Paris-Le Bourget Airport records a temperature exceeding the threshold that currently carries a 1% crowd-implied probability. Historical data shows July highs in Paris typically range between 23°C and 26°C, rarely exceeding 31°C, while the national record stands at 42.4°C recorded in 2019 [1][3]. The current 1% probability suggests traders view an extreme outlier event as highly unlikely, consistent with the fact that even during France’s hottest day in 2022, Paris did not breach 40°C [2].

Traders should monitor the European heatwave forecasts issued by Météo-France for mid-July, as any red-alert warnings for Île-de-France could shift sentiment rapidly [9]. The settlement depends entirely on Wunderground’s daily maximum for Paris-Le Bourget, meaning even a brief spike in temperature could resolve the market. Recent reports confirm France experienced its hottest day ever in June 2026, with temperatures reaching 44.3°C in Landes, though Paris remained cooler [8]. This regional disparity underscores why the 1% probability remains anchored: Paris historically resists the extreme peaks seen in southern France.

The market’s depth correlates directly with funding flows via Klarna and SEPA on-ramps, as deposit friction influences how quickly traders can adjust positions before the 12:00 UTC settlement. USDC withdrawal rails also affect liquidity, with deeper books emerging when fee structures favour rapid capital entry. Traders entering now are effectively betting against a historical pattern where Paris July highs stay below 32°C, unless a sudden, unforecasted heat dome develops over the capital.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page compares Highest temperature in Paris on July 13? with a focus on payment rails and deposit friction. Polymarket accepts USDC on Polygon only; Kalshi only ACH/Plaid (US only); Betfair card/SEPA in EU/UK; Manifold no deposit. Polymarket Klarna UK additionally offers Klarna and SOFORT as fiat on-ramps to USDC. Live odds reflect the Polymarket order book.

Resolution & payout

Settlement path determines payout latency. Polymarket settles on-chain (USDC, minutes). Broker frontends like Polymarket Klarna UK add Klarna/SOFORT as fiat withdrawal options with T+1 processing. Kalshi: USD via ACH (T+1 to T+3). Betfair: local currency via card/SEPA (T+1 to T+5).

FAQ

What does SOFORT cost as a deposit method?

Polymarket Klarna UK charges no fees for SOFORT. The only cost is the internal FX spread (typically <1%) on EUR→USDC conversion. SOFORT itself has no end-user fees — the platform absorbs acquirer costs.

How fast is SEPA deposit?

SEPA Instant: under 10 seconds. SEPA Standard: 1-2 business days. Both accepted fee-free; the internal USDC conversion runs automatically once EUR lands in the platform account.

Can I deposit with a credit card?

Yes, Visa and Mastercard. Credit card deposits carry a ~2.5% acquirer surcharge (standard for card payments). Apple Pay and Google Pay run on the same card rails — same surcharge.

How do withdrawals work?

Identical methods in reverse. SEPA withdrawal: T+1 (standard) or under 10 seconds (SEPA Instant). Klarna withdrawals process via bank-account refund. USDC withdrawal to external wallet: Polygon gas cost (typically $0.01).

Are payment details protected?

Yes. Card and bank details are never stored by Polymarket Klarna UK — they pass directly through PCI-DSS compliant payment service providers (Adyen, Stripe). Polymarket Klarna UK retains only transaction IDs and Klarna reference numbers for reconciliation.